Folding door



FIG. 1 is a perspective view of the folding door;

FIG. 2 is a front view of the folding door of FIG. 1;

FIG. 3 is a back view of the folding door of FIG. 1;

FIG. 4 is a left view of the folding door of FIG. 1;

FIG. 5 is a right view of the folding door of FIG. 1;

FIG. 6 is a top view of the folding door of FIG. 1; and,

FIG. 7 is a bottom view of the folding door of FIG. 1.

The evenly spaced broken lines in the drawings depict environment that forms no part of the claimed design. The dash-dot-dot-dash broken lines in the drawings depict boundary lines. The portion of the design between the boundary lines forms no part of the claimed design. 

CLAIM The ornamental design for folding door, as shown and described. 